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//
/// \file B1/src/EventAction.cc
/// \brief Implementation of the B1::EventAction class

#include "EventAction.hh"

#include <atomic>

#include "MyEventID.h"
#include "RunAction.hh"

namespace B1
{

    //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

    EventAction::EventAction(RunAction* runAction) : _fRunAction(runAction) {}

    //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

    void EventAction::BeginOfEventAction(const G4Event*)
    {
        _evtID = myEvtId.fetch_add(1, std::memory_order_relaxed);

        //在每个Event开始时把负责记录在每个Event中粒子沉积到材料中的能量的变量fEdep设为0
        //避免上一个Event的结果累加到下一个Event中
        _fEdep = 0.;
    }

    //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

    void EventAction::EndOfEventAction(const G4Event*)
    {
        /// accumulate statistics in run action
        /// 将能量累加到更上层的 Run
        _fRunAction->AddEdep(_fEdep);

        // 成员函数EndOfEventAction(const G4Event*)的定义
        G4cout << " This is " << _evtID << " event " << G4endl                         //
               << " Energy deposited in this event is " << _fEdep << " MeV" << G4endl  //
               << "------------------------------------------------------------" << G4endl;
        //将每个Event的序号以及在该Event中粒子沉积到材料中的能量显示在屏幕上
    }

    //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

}  // namespace B1
